F4
Haier
Ice Maker Sensor / Ice Room Sensor Fault (Alternate Code)
Display shows F4 and the ice maker may not function correctly.
Advertisements
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Advertisements
Possible Causes
Failed ice room NTC sensor, Loose connector in ice compartment, Damaged harness, Main PCB sensor circuit failure
How to Fix / Troubleshooting
Safety: Unplug the refrigerator before removing the ice maker assembly.
Steps:
- 1. Remove ice bucket: Take out the ice bin to access the ice maker.
- 2. Locate sensor: Find the ice room sensor on the wall or near the ice maker housing.
- 3. Inspect and test: Check for damage and measure resistance. Replace if out of spec.
- 4. Check wiring: Trace the harness to the main PCB and repair any damage.
- 5. Replace PCB: If sensor and wiring are good but F4 persists, the main control board may be faulty.
Advertisements
Repair Difficulty
Medium
3/5
Required Part
Ice Room Temperature Sensor
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements